DOWSETT-LEMAIRE, F. & DOWSETT, R.J. (2001) First survey of the birds and mammals of the Yabassi area, south-western Cameroon. Final Report. A report by Tauraco a.s.b.l., for WWF-Cameroon. Misc. Report 27 is a PDF formatted in 2011 of a report produced in 2001.

DOWSETT, R.J. & DOWSETT-LEMAIRE, F. (2000) New species and amendments to the avifauna of Cameroon. Bull. Brit. Orn. Club 120: 179-185.

The Malimbus website provides free of charge the full text of papers, notes, reports and reviews about the birds of this country that have appeared in the journal prior to the last three years. There are at least ten such articles for most West African countries, and as many as 90 for some. For more recent articles, you can find summaries and abstracts on the site.